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Essentiale - Locomotion and Movement
Iris: Locomotion and Movement
Invictus: Locomotion and Movement
Locomtion and Movement - Mini Q Bank
Locomotion and Movement - Essentiale - (New NCERT)
Locomotion and Movement - Iris - (New NCERT)
Q. No.

Assertion: The T-tubules synchronise calcium release within the cell.
Reason: T-tubules bring the sarcolemma very close to the sarcoplasmic reticulum at all regions throughout the cell.

1. Both assertion and reason are true and the reason is the correct explanation of the assertion.
2. Both assertion and reason are true but the reason is not the correct explanation of the assertion.
3. Assertion is true but reason is false.
4. Both assertion and reason are false

  1. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
  2. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
  3. If the assertion is true but the reason is false
  4. If both the assertion and reason are false

Subtopic:  Skeletal Muscle: Sarcomere |
 63%

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Assertion: Muscle contraction does not necessarily mean muscle shortening.
Reason: Muscle tension can be produced without changes in muscle length.

1. Both assertion and reason are true and the reason is the correct explanation of the assertion.
2. Both assertion and reason are true but the reason is not the correct explanation of the assertion.
3. Assertion is true but reason is false.
4. Both assertion and reason are false.

  1. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
  2. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
  3. If the assertion is true but the reason is false
  4. If both the assertion and reason are false
Subtopic:  Sliding Filament Theory |
 56%

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Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R): 
Assertion (A): Shortening of myofilaments leads to the shortening of the muscle.
Reason (R): Only the actin myofilaments shorten while the length of the myosin myofilaments remains the same during the muscle shortening.


In the light of the above statements choose the correct answer from the options given below:

1. Both (A) and (R) are True and (R) is the correct explanation of (A).
2. Both (A) and (R) are True but (R) is not the correct explanation of (A).
3. (A) is True but (R) is False.
4. Both (A) and (R) are False.
Subtopic:  Excitation Contraction Coupling I |

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Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R): 
 

Assertion (A): Hydrolysis of ATP by myosin head is critical for the cross bridge formation.
Reason (R): Myosin head has ATPase activity dependent on magnesium ions


In the light of the above statements choose the correct answer from the options given below:
 

1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
Subtopic:  Sliding Filament Theory |

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Assertion: Calmodulin plays an important role in excitation contraction (EC) coupling and the initiation of the cross-bridge cycling in smooth muscle.
Reason: Troponin is not found in the smooth muscles.

1. Both assertion and reason are true and the reason is the correct explanation of the assertion.
2. Both assertion and reason are true but the reason is not the correct explanation of the assertion.
3. Assertion is true but reason is false.
4. Both assertion and reason are false.

  1. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
  2. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
  3. If the assertion is true but the reason is false
  4. If both the assertion and reason are false
Subtopic:  Sliding Filament Theory |

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Assertion: Myoglobin needs to have a higher affinity for oxygen than hemoglobin.
Reason: To perform its job, myoglobin must effectively bind any oxygen released from hemoglobin.

1. Both assertion and reason are true and the reason is the correct explanation of the assertion.
2. Both assertion and reason are true but the reason is not the correct explanation of the assertion.
3. Assertion is true but reason is false.
4. Both assertion and reason are false.

  1. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
  2. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
  3. If the assertion is true but the reason is false
  4. If both the assertion and reason are false
Subtopic:  Skeletal Muscle: Basic Anatomy |
 63%

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Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R): 

Assertion (A): Hypocalcemia is the primary cause of tetany.
Reason (R): Hypocalcemia increases neuronal excitability


In the light of the above statements choose the correct answer from the options given below:

1. Both (A) and (R) are True and (R) is the correct explanation of (A).
2. Both (A) and (R) are True but (R) is not the correct explanation of (A).
3. (A) is True but (R) is False.
4. Both (A) and (R) are False.
Subtopic:  Disorders of Muscular and Skeletal System |
 50%

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Assertion: The muscle strength of contraction is finely graded, a requirement for coordinated movements.
Reason: Muscles that require a finer degree of control have smaller motor units.

1. Both assertion and reason are true and the reason is the correct explanation of the assertion.
2. Both assertion and reason are true but the reason is not the correct explanation of the assertion.
3. Assertion is true but reason is false.
4. Both assertion and reason are false.

  1. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
  2. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
  3. If the assertion is true but the reason is false
  4. If both the assertion and reason are false
Subtopic:  Skeletal Muscle: Basic Anatomy |

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Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R): 
 
Assertion (A): Slow twitch fibers can sustain action for a long period of time without fatigue.
Reason (R): They can respire anaerobically by using a large store of glycogen and high concentration of glycolytic enzymes.


In the light of the above statements choose the correct answer from the options given below:

1. Both (A) and (R) are True and (R) is the correct explanation of (A).
2. Both (A) and (R) are True but (R) is not the correct explanation of (A).
3. (A) is True but (R) is False.
4. Both (A) and (R) are False.
Subtopic:  Skeletal Muscle: Myofilaments |

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Assertion: Trained athletes have an increased proportion of energy derived from aerobic respiration of fatty acids.
Reason: Any adaptation that spares muscle glycogen will improve physical endurance.

1. Both assertion and reason are true and the reason is the correct explanation of the assertion.
2. Both assertion and reason are true but the reason is not the correct explanation of the assertion.
3. Assertion is true but reason is false.
4. Both assertion and reason are false.

  1. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
  2. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
  3. If the assertion is true but the reason is false
  4. If both the assertion and reason are false
Subtopic:  Muscle Contraction: Other Considerations |
 61%

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Select Question Set:
filter
Essentiale - Locomotion and Movement
Iris: Locomotion and Movement
Invictus: Locomotion and Movement
Locomtion and Movement - Mini Q Bank
Locomotion and Movement - Essentiale - (New NCERT)
Locomotion and Movement - Iris - (New NCERT)
Q. No.

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